1. Home
  2. Directory
  3. California
  4. Brentwood
  5. Pediatrics
  6. NPI Profile

RICHARD DANIEL SINGER MD
NPI 1578648804
Pediatrics in Brentwood, CA

Active since October 26, 2006PECOS Enrolled
350 JOHN MUIR PKWY STE 105, BRENTWOOD, CA 94513(925) 513-2483(925) 513-4957 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Sep 14, 2017 (3 updates tracked since 2017).

About Richard Daniel Singer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RICHARD DANIEL SINGER MD (NPI 1578648804) is an individual pediatrics provider in Brentwood, California, licensed in California (G83571) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Antioch.

NPPES Registry Identity

NPI1578648804
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameRICHARD DANIEL SINGERCredential: MD
Location Address350 JOHN MUIR PKWY STE 105Brentwood, CA 94513-5183
Mailing Address350 John Muir Pkwy Ste 105Brentwood, CA 94513-5183 · (925) 513-2483 · Fax (925) 513-4957
Phone(925) 513-2483
Fax(925) 513-4957
Sole ProprietorNo
Enumeration DateOctober 26, 2006
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1578648804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · G83571
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
350 JOHN MUIR PKWY STE 105, Brentwood, CA 94513
Open in Google Maps ↗

Secondary Practice Location 1

Location 14053 Lone Tree Way Ste 101Antioch, CA 94531-6210 · Phone (925) 756-3400 · Fax (925) 756-3405

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Richard Daniel Singer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Richard Singer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
25 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94513 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BRENDA CHINENYE CHUKSORJI MD
Family Medicine
350 JOHN MUIR PKWY STE 105
BRENTWOOD, CA 94513
Contra Costa County (925) 727-6978
DEREK JOHNSON D.O.
Family Medicine
350 JOHN MUIR PKWY STE 105
BRENTWOOD, CA 94513
Contra Costa County (925) 513-2483
MARISSA PAGSOLINGAN OPILAS D.O.
Family Medicine
350 JOHN MUIR PKWY STE 105
BRENTWOOD, CA 94513
Contra Costa County (925) 776-7725
DR. KRISHNA VENKATA MURALI BHASKARABHATLA MD
Family Medicine
350 JOHN MUIR PKWY STE 105
BRENTWOOD, CA 94513
Contra Costa County (925) 513-2483

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Richard Singer's NPI number?

The NPI number for Richard Singer is 1578648804. It was assigned to this individual provider in the NPPES registry on October 26, 2006.

Where is Richard Singer located?

Richard Singer practices at 350 John Muir Pkwy Ste 105, Brentwood, CA 94513. The listed phone number is (925) 513-2483.

What is Richard Singer's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Richard Singer enrolled in Medicare?

Yes. Richard Singer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Richard Singer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Richard Singer reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Richard Singer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Richard Singer was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.